Package rtnetlink allows the kernel's routing tables to be read and altered. Network routes, IP addresses, Link parameters, Neighbor setups, Queueing, disciplines, Traffic classes and Packet classifiers may all be controlled. It is based on netlink messages.

This package provides a Golang library implementing the conversion of date and time information from a given calendar time to a character string according to a format string. It is optimized for scenarios where the same pattern is called repeatedly.

go-testmark is a library to parse, patch data and test fixtures from Markdown files, using the testmark format, which itself is a subset of Markdown format.

This package provides a CLI application to execute scripts on IMAP mailbox changes (new/deleted/updated messages) using IDLE and it is mostly compatible with the configuration of imapnotify made with Python.

This package provides a CLI application to execute scripts on IMAP mailbox changes (new/deleted/updated messages) using IDLE and it is mostly compatible with the configuration of imapnotify made with Python.

term provides an API for working with terminals that includes:

• Switching a terminal to the raw mode.

• Getting, setting and restoring the state of a terminal.

• Getting size of a terminal.

• Reading passwords from a terminal without a local echo.

This package provides Go modules focused on text parsing, with lexers, parsers, and related tools.

Included modules are:

• github.com/tekwizely/go-parsing

• github.com/tekwizely/go-parsing/lexer

• github.com/tekwizely/go-parsing/lexer/token

• github.com/tekwizely/go-parsing/parser

Package levenshtein is a Go implementation to calculate Levenshtein Distance. The library is fully capable of working with non-ascii strings. But the strings are not normalized. That is left as a user-dependant use case. Please normalize the strings before passing it to the library if you have such a requirement.

This package implements a feature of limiting the maximum number of concurrently started routines which has the same role and API as sync.WaitGroup. It could for example be used to start multiples routines querying a database but without sending too much queries in order to not overload the given database.

This library is meant to handle Web Authentication for Go apps that wish to implement a passwordless solution for users. This library conforms as much as possible to the guidelines and implementation procedures outlined by the document. It's a successor of not maintained https://github.com/duo-labs/webauthn library.

This package provides provides an utility for timezone manipulation, implementing the following features:

• this library uses only the standard package

• supports getting offset from timezone abbreviation, which is not supported by the time package

• determine whether the specified time.Time is daylight saving time

• change the location of time.Time by specifying the timezone

This package provides a UEFI library written to interact with Linux efivars. The goal is to provide a Go library to enable application authors to better utilize secure boot and UEFI. This also includes unit-testing to ensure the library is compatible with existing tools, and integration tests to ensure the library is able of deal with future UEFI revisions.

umoci modifies Open Container images (pronounced /uːmoˈʨi/) is a reference implementation of the https://github.com/opencontainers/image-spec and provides users with the ability to create, manipulate, and otherwise interact with container images. It is designed to be as small and unopinonated as possible, so as to act as a foundation for larger systems to be built on top of.

ChunkReader is a io.Reader wrapper that minimizes IO reads and memory allocations. It allocates memory in chunks and will read as much as will fit in the current buffer in a single call regardless of how large a read is actually requested. The memory returned via Next is owned by the caller. This avoids the need for an additional copy. It extracted from original implementation in https://github.com/jackc/pgx.

memberlist is a Go library that manages cluster membership and member failure detection using a gossip based protocol.

The use cases for such a library are far-reaching: all distributed systems require membership, and memberlist is a re-usable solution to managing cluster membership and node failure detection.

memberlist is eventually consistent but converges quickly on average. The speed at which it converges can be heavily tuned via various knobs on the protocol. Node failures are detected and network partitions are partially tolerated by attempting to communicate to potentially dead nodes through multiple routes.

This package produces a collection of cryptographic utilities, including the following:

• drbg: a cryptographically secure pseudorandom number generator as specified in NIST SP 800-90A

• encoding/base32: a compact base32 encoder

• secretkey: user-friendly secret keys that can be used with secretbox

• salsa20: a streaming interface (cipher.Stream) for the Salsa20 stream cipher

• poly1305: a streaming interface (hash.Hash) for the Poly1305 one-time authenticator as specified in poly1305

This is a Go library for detecting the user's home directory without the use of cgo, so the library can be used in cross-compilation environments.

Usage is simple, just call homedir.Dir() to get the home directory for a user, and homedir.Expand() to expand the ~ in a path to the home directory.

Why not just use os/user? The built-in os/user package requires cgo on Darwin systems. This means that any Go code that uses that package cannot cross compile. But 99% of the time the use for os/user is just to retrieve the home directory, which we can do for the current user without cgo. This library does that, enabling cross-compilation.

This package implements a functionality which can be used in instrument code, expose application metrics, and profile runtime performance in a flexible manner. It makes use of a MetricSink interface to support delivery to any type of backend.

Currently the following sinks are provided:

• StatsiteSink : Sinks to a statsite instance (TCP)

• StatsdSink: Sinks to a StatsD / statsite instance (UDP)

• PrometheusSink: Sinks to a Prometheus metrics endpoint (exposed via HTTP for scrapes)

• InmemSink : Provides in-memory aggregation, can be used to export stats

• FanoutSink : Sinks to multiple sinks. Enables writing to multiple statsite instances for example

• BlackholeSink : Sinks to nowhere

This package implements a functionality which can be used in instrument code, expose application metrics, and profile runtime performance in a flexible manner. It makes use of a MetricSink interface to support delivery to any type of backend.

Currently the following sinks are provided:

• StatsiteSink : Sinks to a statsite instance (TCP)

• StatsdSink: Sinks to a StatsD / statsite instance (UDP)

• PrometheusSink: Sinks to a Prometheus metrics endpoint (exposed via HTTP for scrapes)

• InmemSink : Provides in-memory aggregation, can be used to export stats

• FanoutSink : Sinks to multiple sinks. Enables writing to multiple statsite instances for example

• BlackholeSink : Sinks to nowhere

This package provides factors out an opinionated selection of internal packages and functionality from the Go standard library. Currently this consists mostly of packages and testing code from within the Go tool implementation.

Included are the following:

• dirhash: calculate hashes over directory trees the same way that the Go tool does.

• goproxytest: a GOPROXY implementation designed for test use.

• gotooltest: Use the Go tool inside test scripts (see testscript below)

• imports: list of known architectures and OSs, and support for reading import import statements.

• modfile: read and write go.mod files while preserving formatting and comments.

• module: module paths and versions.

• par: do work in parallel.

• semver: semantic version parsing.

• testenv: information on the current testing environment.

• testscript: script-based testing based on txtar files

• txtar: simple text-based file archives for testing.

This package provides factors out an opinionated selection of internal packages and functionality from the Go standard library. Currently this consists mostly of packages and testing code from within the Go tool implementation.

Included are the following:

• dirhash: calculate hashes over directory trees the same way that the Go tool does.

• goproxytest: a GOPROXY implementation designed for test use.

• gotooltest: Use the Go tool inside test scripts (see testscript below)

• imports: list of known architectures and OSs, and support for reading import import statements.

• modfile: read and write go.mod files while preserving formatting and comments.

• module: module paths and versions.

• par: do work in parallel.

• semver: semantic version parsing.

• testenv: information on the current testing environment.

• testscript: script-based testing based on txtar files

• txtar: simple text-based file archives for testing.

A .gitignore parser for Go.

Java properties scanner for Go

This package provides a hashing function.